3-(Difluoromethyl)-5-fluoro-2-nitro-4-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-2-fluoro-5-iodo-6-(trifluoromethoxy)pyridine
4-Fluoro-2-iodo-5-nitro-3-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-4-fluoro-2-nitro-5-(trifluoromethoxy)pyridine
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